Compare 1311 vs 1319
| Property | 1311 | 1319 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 191 × 231 | 13191 |
| Prime factorization | 3 × 19 × 23 | 1319 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 19, 23, 57, 69, 437, 1311 | 1, 1319 |
| Number of properties | 0 | 4 |
| Chen primes | 140th | |
| Primes | 215th | |
| Safe primes | 30th | |
| Twin primes (1st member) | 46th | |
| Roman numberals | MCCCXI | MCCCXIX |
| Base 2 | 101000111112 | 101001001112 |
| Base 3 | 12101203 | 12102123 |
| Base 4 | 1101334 | 1102134 |
| Base 5 | 202215 | 202345 |
| Base 6 | 100236 | 100356 |
| Base 7 | 35527 | 35637 |
| Base 8 | 24378 | 24478 |
| Base 9 | 17169 | 17259 |
| Base 10 | 131110 | 131910 |
| Base 11 | a9211 | a9a11 |
| Base 12 | 91312 | 91b12 |
| Base 13 | 79b13 | 7a613 |
| Base 14 | 69914 | 6a314 |
| Base 15 | 5c615 | 5ce15 |
| Base 16 | 51f16 | 52716 |